There are 14 words that start with 'desert'.
| desert | deserts | 
| deserted | deserter | 
| desertic | deserters | 
| desertify | deserting | 
| desertion | desertions | 
| desertified | desertifies | 
| desertifying | desertification | 
Note: These 14 words that start with 'desert' are found from the USA & Canada version of the tournament Scrabble word list.